3797281 has 2 divisors, whose sum is σ = 3797282. Its totient is φ = 3797280.

The previous prime is 3797251. The next prime is 3797327. The reversal of 3797281 is 1827973.

3797281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 1288225 = 1584^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 3797281 - 2⁵ = 3797249 is a prime.

It is a super-2 number, since 2×3797281² = 28838685985922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3797281.

It is not a weakly prime, because it can be changed into another prime (3797251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1898640 + 1898641.

It is an arithmetic number, because the mean of its divisors is an integer number (1898641).

Almost surely, 2^3797281 is an apocalyptic number.

It is an amenable number.

3797281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3797281 is an equidigital number, since it uses as much as digits as its factorization.

3797281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 3797281 is about 1948.6613353787. The cubic root of 3797281 is about 156.0118471169.

The spelling of 3797281 in words is "three million, seven hundred ninety-seven thousand, two hundred eighty-one".